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شائع Word Problems >

The difference between three times a number and six is thirty. What is twice the number?

الحلّ

T h e d i ff ere n ce b e tw ee n t h ree t im es a n u mb er an d s i x i s t hi r t y . Wha t i s tw i ce t h e n u mb er ?

الحلّ

twice the number : 24

خطوات الحلّ

Represent the number with

x

A.T.Q.:

3 x - 6 = 30

3 x - 6 = 30, x

حلّ لـ:

x = 12

2 x = 2 \cdot 12 = 24

twice the number : 24

أمثلة شائعة

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